问题 单项选择题 A1型题

9个月男孩,因反复鼻衄3个月,瘀点、瘀斑46d入院。生后1个月始反复腹泻、便带血丝,反复皮肤湿疹伴脓点,曾有双耳流脓。其一兄有类似湿疹、出血、感染病史。白细胞10.1×109/L,Hb109g/L,PLT15×109/L,血小板体积测不出;IgG5.16g/L,IgA0.78g/L,IgM<0.38g/L,IgE532IU/L。其诊断可能为()

A.湿疹血小板减少免疫缺陷综合征

B.X连锁高IgM血症

C.选择性IgA缺陷病

D.联合免疫缺陷病

E.慢性肉芽肿病

答案

参考答案:A

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As a student, you must have homework every day. How do you deal with your homework? When do you usually finish your homework? Here is some advice for you to help you finish your homework well.
Homework should be done as soon as you get home from school. If you have after-school activities, the homework should be done first. At the same time, it is fine to allow for a snack break and also to allow for stretching(伸展) breaks.
Also, you should remember that it is your duty to do your homework. Don’t depend on Mum and Dad for help. Please try to find the answer yourself because you will learn much more that way.
When you have a question, especially something about a science or maths, don’t always turn to your teacher! It is a good idea to try to find the answer yourself. If this doesn’t work, you can also look at your textbooks carefully. They may help you understand the problem.
Finally, while doing homework, don’t think about or do other things. Keep working. Setting a time limit(限制) often helps with this. Different ages decide different amounts of time. 10-15 minutes is good for a child that’s aged 6-8. A time of 20-30 minutes is about right for a child aged 9-12. Kids can keep studying for 30-45 minutes at the ages of 13-15. This, of course, depends on your ability to pay attention and stay on tasks.
Information Card
The proper time to do homework
小题1:.
Your homework shouldn’t be done by depending on
小题2:
What can you do if you can’t work out the maths or science problems?
小题3:
The way to make yourself keep working is
小题4:
A 14-year-old child can keep studying for
小题5:
单项选择题